Maha Exit Poll 2019: Over 300 seats for NDA; Modi set for 2nd term

The Maha Exit poll 2019 of Zee Media Network predicts National Democratic Alliance (NDA) to win more than 300 seats in Lok Sabha election 2019, and that is a massive victory. So will PM Modi is getting a 2nd term for sure? or there is something more to witness on the judgement day on 23rd May?